Hack-R

Hack-R has asked 40 questions and find answers to 123 problems.

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About

Yet another Data Sci guy

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Machine Learning + DS educator and author of 2 DS certificate programs +

DS -> Sr. DS -> Lead DS (temporarily) -> Manager of DS -> Entrepreneur

Hack-R questions

Impute factor values using dates
R: In Shiny how do I fix no applicable method for 'xtable' applied to an object of class "reactive"
xgboost Random Forest with sparse matrix data and multinomial Y
Dot preceding parentheses, .( ), in data.table
Word-wrapping or new line in shinydashboard title
Registered doParallel cluster doesn't work with the train/caret parRF model
How to subset a list based on the length of its elements in R
Vectorize data.table like, grepl, or similar for big data string comparison
Convert data types in d3.js without prior knowledge of property names (detect if a string contains only digits)
Disambiguating eval, obj (objective), and metric in LightGBM

Hack-R answers

knn predictions with Clustering
How to predict with cv.glm in R
Extract data from Partial least square regression on R
R: Adding constant in linear combination, glht()
RODBC using Data.Frame in a Join on sqlQuery()
How to pause taskscheduleR at night
calculate confidence interval for fleiss kappa in R
predicted survival curve in R- Parametric method
Ignore case while using duplicated
Sorting output from variable importance (caret package) [closed]